16825/P0441/001089
From Ross-Tech Wiki
16825/P0441/001089 - EVAP Emission Control Sys: Incorrect Flow
Possible Symptoms
- Malfunction Indicator Light (MIL) active
Possible Causes
- Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) faulty/jammed
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115) faulty/jammed
- Evaporative Emission (EVAP) Canister Sealing faulty
- Pipes between Tank Breathing and Throttle Body leaky/blocked
Possible Solutions
- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
- Perform Output Test
- Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115)
- Check Evaporative Emission (EVAP) Canister
- Perform Basic Setting
- Check Pipes between Tank Breathing and Throttle Body
Special Notes
- When found in the NAR 1.8T Audi A4 1.8T check TSB 24-08-78 or 2010268/3 or Pass-Thru equivalent TSB
- When found in the NAR 1.8T VW Passat 1.8T check TSB 01-09-09 or 2005554 or Pass-Thru equivalent TSB
- Note: The Passat 26E5 or "R5" recall includes the same software update
- Make sure the quick release lines for the N80 valve and vacuum line to LDP are not crossed.
- This can also make the engine hard to start after filling up the fuel tank.